This is a set of 4 solid, knot-free boards made from the prized Yakusugi cedar. Size: Length: 70cm Width: 8.2cm Thickness: 7mm Uzukuri Finish [Uzukuri finish is a technique that raises the wood grain.] Yakusugi cedar, which became off-limits for logging after Yakushima was registered as a World Heritage site. This is a very rare wood, and it has the unique fragrance of Yakusugi cedar. Perfect for those interested in wood or for DIY projects. Feel free to comment or inquire if you have any questions. [Cutting is free within the specified range.] #DaikoNoTossanShop #Yakusugi #SingleBoard #SolidWood #KnotFree #NaturalMaterial #WorldHeritage